Feature:1. Time Display: Accurate timekeeping, the annual error is only 8 seconds (industry standard error is 9 minutes), which is 10 times higher than the industry standard2. Temperature Display: Built in high accuracy temperature sensor, the error is only 0.5 ℃ (industry standard is 3 ℃) 6 times higher than the industry standard3. Plexi Glass Panel: Plexi glass panel, the stereo clock uses special plexi glass, the service life is more than 10 years4. ARM Processor: Higher frequency ARM processor, and larger running memory, 4 memory modules static scanning display control scheme, and increase the LED dedicated constant current drive chip, 142 LED lights, the stroboscopic is avoided, more stable brightness.5. 50m Visible Distance: Super large font, the visible distance is up to 50m, clearly visible, can be used for public spaces such as subways, high speed rail stations, hospitals, airportsHow to Use:Plug in the power to display the timeSpecification:Item Type: Double Sided LED ClockMaterial: ABSInput Voltage: 100~240V US PlugOutput Voltage: 5VOutput Current: 3APower: 14WRemote Control Battery: 2xAAA Batteries (Not Included)Size: Approx. 51.2 x 19.5 x 3.3cm / 20.2 x 7.7 x 1.3inWeight: Approx. 1910g / 67.4oz Package List:1 x Clock2 x Hanging Chain1 x User Manual 1 x Remote Control1 AdapterNote:Do not connect the 100~240V wire privately, otherwise the motherboard will be damaged. The standard power supply must be used to convert the voltage, power supply is included in the delivery.Please note that the new type and old type of this product will be sent randomly, and make sure you will not mind before ordering.